body {
    margin: 0;
    padding: 0;
}

.r-text {
    font-size: 23px;
    font-weight: 700;
    color: #ccc;
}

.r-color-w {
    color: #ccc;
}

.r-ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.r-flex {
    display: flex;
}

.r-flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.r-flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.r-flex-around {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.r-border-top {
    border-top: 1px solid #ccc;
}

.r-Fitem {
    width: 300px;
    margin-right: 20px;
}